{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical", "Disease"], "input": "It appears from these data that hematologic work - ups may be useful in women who are about to start long - term oral contraceptive therapy ."}
{"Chemical": ["oral contraceptive"], "Disease": []}